SMD Power Inductors

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We offer a wide range of semishielded, shielded, unshielded and wirewound SMD power inductors from multiple manufacturers.

An SMD Inductor, or Surface Mount Device Inductor, has no wire leads on its ends. This type of inductor is mounted directly to the surface of a circuit board via a metal pad on each end of the device.

An SMD inductor commonly comprises a small coil shaped much like a spring, made of an electrically conductive wire. Some SMD inductors have a core of some type at the centre of the coil. Depending on the material chosen to serve as a core, often ferrite based, and the size and density of the core itself, the operational properties of the coil can be altered to fit specific needs.

How to choose a suitable device

As SMD power inductors are typically used for switching power supplies in portable applications like mobile phones, choosing a suitable device depends above all on its size. Circuit board space is at a premium, especially as ever more functionality, and an associated increase in current, is added to the phone.

Other key criteria include the device’s inductance value at the power supply switching frequency, its coil DC resistance, the additional saturation current, the additional RMS current, the equivalent series impedance (ESR) and the Q factor. The choice of shielded or unshielded inductor type is also important, and depends on the application.

Since chip inductor manufacturers rarely provide ESR and Q factor information, designers should ask them for it. The relationship between the inductance and the current given by the manufacturer is often limited to 25°C, so the relevant data within the desired operating temperature range should be obtained. The worst case is generally 85°C.
 
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IHLP1212AEERR22M11.
IHLP1212AEERR22M11. - INDUCTOR, SHIELDED, 220NH, 9A, SMD

2392934

INDUCTOR, SHIELDED, 220NH, 9A, SMD

VISHAY

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5+ ¥293.34 (¥322.67)

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220nH - 8.5A - Shielded 9A - IHLP-1212AE-11 Series - 0.0114ohm 20% - 3.6mm 3mm 1.5mm
SRR1280-221K
SRR1280-221K - INDUCTOR, SHIELDED, 220UH, 1.7A, SMD, FU

2336311

INDUCTOR, SHIELDED, 220UH, 1.7A, SMD, FU

BOURNS

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400+ ¥92.02 (¥101.22) 2000+ ¥76.03 (¥83.63) 4000+ ¥75.98 (¥83.58)

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220µH - 1.6A - Shielded 1.7A - SRR1280 Series - 0.4ohm 10% - 12.5mm 12.5mm 7.5mm
74454115
74454115 - Power Inductor (SMD), 15 µH, 1.7 A, Shielded, 3 A, WE-PD3 Series

1636088

Power Inductor (SMD), 15 µH, 1.7 A, Shielded, 3 A, WE-PD3 Series

WURTH ELEKTRONIK

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15µH - 1.7A - Shielded 3A - WE-PD3 Series - 0.085ohm 20% - 12.7mm 10mm 4.9mm
PM3316-101M-RC
PM3316-101M-RC - INDUCTOR, UN-SHIELDED, 100UH, 1.2A, SMD

1103663

INDUCTOR, UN-SHIELDED, 100UH, 1.2A, SMD

BOURNS JW MILLER

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100µH - 1A - Unshielded 1.2A - PM3316 Series - 0.33ohm 20% - 12.7mm 10mm 5mm
744032008
744032008 - Power Inductor (SMD), 8.2 µH, 390 mA, Unshielded, 950 mA, WE-LQ Series, 1210 [3225 Metric]

1800386

Power Inductor (SMD), 8.2 µH, 390 mA, Unshielded, 950 mA, WE-LQ Series, 1210 [3225 Metric]

WURTH ELEKTRONIK

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8.2µH - 390mA - Unshielded 950mA - WE-LQ Series 1210 [3225 Metric] 0.45ohm 20% - 3.2mm 2.5mm 2mm
SDR1307A-330K
SDR1307A-330K - Power Inductor (SMD), 33 µH, 3.1 A, Unshielded, 5 A, SDR1307A Series

2374035

Power Inductor (SMD), 33 µH, 3.1 A, Unshielded, 5 A, SDR1307A Series

BOURNS

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33µH - 3.1A - Unshielded 5A - SDR1307A Series - 0.065ohm 10% - 13mm 7mm 0mm
B82477R4153M100
B82477R4153M100 - Power Inductor (SMD), 15 µH, 5 A, Shielded, 8.75 A, B82477R4 Series

2254587

Power Inductor (SMD), 15 µH, 5 A, Shielded, 8.75 A, B82477R4 Series

EPCOS

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15µH - 5A - Shielded 8.75A - B82477R4 Series - 0.025ohm 20% - 12.5mm 12.5mm 8.5mm
74437334068
74437334068 - Power Inductor (SMD), 6.8 µH, 2 A, Shielded, 4.6 A, WE-LHMI Series

2467217

Power Inductor (SMD), 6.8 µH, 2 A, Shielded, 4.6 A, WE-LHMI Series

WURTH ELEKTRONIK

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6.8µH - 2A - Shielded 4.6A - WE-LHMI Series - 0.15ohm 20% - 5.2mm 5.2mm 1.8mm
MCSD43-680KU
MCSD43-680KU - Power Inductor (SMD), 68 µH, 370 mA, Unshielded, MCSD43 Series

1864108RL

Power Inductor (SMD), 68 µH, 370 mA, Unshielded, MCSD43 Series

MULTICOMP PRO

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68µH - 370mA - Unshielded - - MCSD43 Series - 1.117ohm 10% - 4mm 4.5mm 3.2mm
MSS1278-393MLD
MSS1278-393MLD - Power Inductor (SMD), 39 µH, 3 A, Shielded, 4.68 A, MSS1278 Series

2288507

Power Inductor (SMD), 39 µH, 3 A, Shielded, 4.68 A, MSS1278 Series

COILCRAFT

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39µH - 3A - Shielded 4.68A - MSS1278 Series - 0.0768ohm 20% - 12.3mm 12.3mm 8.05mm
SRP7028A-R82M
SRP7028A-R82M - Power Inductor (SMD), 820 nH, 13 A, Shielded, 24 A, SRP7028A

2434110

Power Inductor (SMD), 820 nH, 13 A, Shielded, 24 A, SRP7028A

BOURNS

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820nH - 13A - Shielded 24A - SRP7028A Series - 0.008ohm 20% - 7.3mm 6.6mm 2.8mm
IHLP2020CZER1R0M11
IHLP2020CZER1R0M11 - INDUCTOR, SHIELDED, 1UH, 20%, 10A, SMD

2125716

INDUCTOR, SHIELDED, 1UH, 20%, 10A, SMD

VISHAY

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1µH - 10A - Shielded 6.5A - IHLP-2020CZ-11 Series 2020 [5050 Metric] 0.011ohm 20% - 5.49mm 5.18mm 3mm
PM43-100M-RC
PM43-100M-RC - INDUCTOR, UN-SHIELDED, 10UH, 1.7A, SMD

1103582

INDUCTOR, UN-SHIELDED, 10UH, 1.7A, SMD

BOURNS JW MILLER

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10µH - 1.15A - Unshielded 1.7A - PM43 Series - 0.18ohm 20% - 4.5mm 4mm 3.2mm
38H301C
38H301C - INDUCTOR, 300NH, 16A, 30%, SMD

2131686

INDUCTOR, 300NH, 16A, 30%, SMD

MURATA POWER SOLUTIONS

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300nH - 16A - Unshielded 32A - 3800 Series - 0.0022ohm 30% - 10.4mm 10.4mm 5.6mm
SRP1038A-8R2M
SRP1038A-8R2M - Power Inductor (SMD), 8.2 µH, 8 A, Shielded, 12.5 A, SRP1038A Series

2434030

Power Inductor (SMD), 8.2 µH, 8 A, Shielded, 12.5 A, SRP1038A Series

BOURNS

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8.2µH - 8A - Shielded 12.5A - SRP1038A Series - 0.024ohm 20% - 11mm 10mm 3.8mm
SRR1208-390YL
SRR1208-390YL - INDUCTOR, SHIELDED, 39UH, 3.4A, SMD

2459862

INDUCTOR, SHIELDED, 39UH, 3.4A, SMD

BOURNS

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39µH - 2.5A - Shielded 3.4A - SRR1208 Series - 0.076ohm 15% - 12.7mm 12.7mm 8.5mm
IHLP1212ABEVR47M5A
IHLP1212ABEVR47M5A - Power Inductor (SMD), 470 nH, 6.4 A, Shielded, 7 A, IHLP-1212AB-5A Series

2500127

Power Inductor (SMD), 470 nH, 6.4 A, Shielded, 7 A, IHLP-1212AB-5A Series

VISHAY

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470nH - 6.4A - Shielded 7A - IHLP-1212AB-5A Series - 0.0195ohm 20% - 3.3mm 3.3mm 1.2mm
PA4548.332NLT
PA4548.332NLT - INDUCTOR, AEC-Q200, SHIELDED, 3.3UH, 20%

2906526

INDUCTOR, AEC-Q200, SHIELDED, 3.3UH, 20%

PULSE ELECTRONICS

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3.3µH - 6A - Shielded 10A - PA4548.XXXNLT Series - 0.039ohm 20% - 7mm 6.6mm 2.2mm
PA4344.152NLT
PA4344.152NLT - INDUCTOR, SHIELDED, AEC-Q200, 1.5UH, 47A

2906455

INDUCTOR, SHIELDED, AEC-Q200, 1.5UH, 47A

PULSE ELECTRONICS

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1.5µH - 47A - Shielded 52A - PA4344.XXXNLT Series - 0.0025ohm 20% - 17.7mm 17.2mm 7mm
PA4341.182NLT
PA4341.182NLT - INDUCTOR, SHLD, AEC-Q200, 1.8UH, 8.5A

2906365

INDUCTOR, SHLD, AEC-Q200, 1.8UH, 8.5A

PULSE ELECTRONICS

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1.8µH - 8.5A - Shielded 16A - PA4341.XXXNLT Series - 0.017ohm 20% - 7.6mm 6.9mm 3mm
PA4341.223NLT
PA4341.223NLT - INDUCTOR, SHIELDED, AEC-Q200, 22UH, 2A

2906371

INDUCTOR, SHIELDED, AEC-Q200, 22UH, 2A

PULSE ELECTRONICS

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22µH - 2A - Shielded 3.5A - PA4341.XXXNLT Series - 0.19ohm 20% - 7.6mm 6.9mm 3mm
LPE4841ER100MG
LPE4841ER100MG - INDUCTOR, UNSHIELDED, 10UH, 2.03A

2857513

INDUCTOR, UNSHIELDED, 10UH, 2.03A

VISHAY

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10µH - 2.03A - Unshielded 2.32A - LPE-4841 Series - 0.03ohm 20% - 10.69mm 12.5mm 6.3mm
HCM1A0503-6R8-R
HCM1A0503-6R8-R - INDUCTOR, AEC-Q200, 6.8UH, 2.3A, 20%

2762597

INDUCTOR, AEC-Q200, 6.8UH, 2.3A, 20%

EATON

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6.8µH - 2.3A - Shielded 3.8A - HCM1A0503 Series 2020 [5050 Metric] 0.0972ohm 20% - 5.15mm 5.1mm 2.8mm
B1047AS-1R0N=P3
B1047AS-1R0N=P3 - Power Inductor (SMD), 1 µH, Shielded, 9.2 A, DS75LC Series

2871520

Power Inductor (SMD), 1 µH, Shielded, 9.2 A, DS75LC Series

MURATA

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1µH - - - Shielded 9.2A 6.4A DS75LC Series - 0.012ohm 30% Ferrite 7.6mm 7.6mm 5mm
SRN6045-3R3Y
SRN6045-3R3Y - INDUCTOR, SHIELDED, 3.3UH, 5A, SMD, FULL

2821660

INDUCTOR, SHIELDED, 3.3UH, 5A, SMD, FULL

BOURNS

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3.3µH - 3.2A - Shielded 5A - SRN6045 Series - 0.0302ohm 20% - 6mm 6mm 4.5mm